html,
body,
header,
footer {
    margin: 0;
}

html {
    height: 100%;
}

body {
    font-family: arial, 'Hiragino Sans GB', 'Microsoft Yahei', '微软雅黑', '宋体', \5b8b\4f53, Tahoma, Arial, Helvetica, STHeiti;
    overflow: auto;
    height: 100%;
    padding-top: 50px;
}

footer {
    float: right;
    margin-right: 30px;
}

/*IP输入框样式*/
.form-control {
    width: 250px;
    overflow: hidden;
}

div.form-control {
    padding: 0;
}

.form-control-focus {
    border-color: #2c3150;
}

div.form-control > input.form-control.ip {
    display: inline-block;
    width: 52px;
    height: 41px;
    margin: 0;
    padding: 6px 10px;
    text-align: center;
    border: none;
}
/*IP输入框样式*/